be quiet! SILENT WINGS PRO 4 140mm PWM
Legendary quiet, unparalleled performance and features.
Highlights:
- Silent Wings Pro 4 140mm PWM is the most advanced, powerful and versatile fan from be quiet!
- Optimized fan blades for maximum performance on radiators and heat sinks
- Speed Switch allows you to change the maximum PWM speed between mediumspeed, highspeed and ultrahighspeed (up to 2400 rpm)
- Small distance between frame and fan blades as well as funnelshaped air outlets for maximum air pressure
- Nearly inaudible operation at normal speeds
- 6pole fan motor and Fluid Dynamic bearings for lowvibration and quiet operation
- Custom mounting options for use on radiators and heat sinks or as a case fan
- Elegant appearance with highgloss fan sticker in classy black and highquality sleeved PWM cable
Technical data:
- Dimensions (L x W x H): 140 x 140 x 25 mm
- Bearing technology: FDB
- Connector: 4pin PWM
- Motor technology: 6pole fan motor
- Weight incl. connection cable: 258 g
- Push pin mounting
- Screw mounting
- Air Flow @ 100% PWM / 12V (CFM / m3/h): 97,41 / 165,5
- Air Pressure @ 100% PWM / 12V (mm H2O): 3,64
- Loudness @ 100% PWM / 12V (dB(A)): 36,8
- Life expectancy @ 25 °C (hours): 300,000
